4.7 Article

Bound state formation in the DDK system

期刊

PHYSICAL REVIEW D
卷 99, 期 7, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.99.076017

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资金

  1. National Natural Science Foundation of China (NSFC) [11735003, 11522539]
  2. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [310759/2016-1, 311524/2016-8]

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We study the DDK system in a coupled channel approach, by including DDs eta and DDs pi, and find that the dynamics involved in the system forms a bound state with isospin 1/2 and mass 4140 MeV when one of the DK pair is resonating in isospin 0, forming the D-s0*(2317). The state can be interpreted as a D-s0*(2317) molecule like state with exotic quantum numbers: doubly charged, doubly charmed, and with single strangeness.

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